• Sea creatures have adapted to help them thrive in extreme environments. • Unusual features allow them to live thousands of feet below the surface. • Underwater robots give researchers a glimpse at some of these elusive, fascinating animals.

Ghosts, goblins, spiders, and wolves don't just show up in fairytales.

Some deep-sea creatures are named after frightening or mythical creatures thanks to their eerie appearances.

However, strange snouts, enormous eyes, and sharp teeth all help these animals survive the cold, dark depths of the ocean. So much is unknown about the deep sea, and these unusual adaptations can teach scientists more about what life is like thousands of feet beneath the waves.

Scientists need remotely operated vehicles to capture images and video of some of these sp

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